diff --git a/src/amd/vulkan/radv_physical_device.c b/src/amd/vulkan/radv_physical_device.c
index 6c72d333f40..cc4e1f57870 100644
--- a/src/amd/vulkan/radv_physical_device.c
+++ b/src/amd/vulkan/radv_physical_device.c
@@ -795,7 +795,7 @@ radv_physical_device_get_features(const struct radv_physical_device *pdevice,
       /* VK_EXT_line_rasterization */
       .rectangularLines = true,
       .bresenhamLines = true,
-      .smoothLines = false,
+      .smoothLines = true,
       .stippledRectangularLines = false,
       /* FIXME: Some stippled Bresenham CTS fails on Vega10
        * but work on Raven.
diff --git a/src/gallium/drivers/zink/ci/zink-radv-navi10-fails.txt b/src/gallium/drivers/zink/ci/zink-radv-navi10-fails.txt
index b0f525a8b5a..b4fd08d25cd 100644
--- a/src/gallium/drivers/zink/ci/zink-radv-navi10-fails.txt
+++ b/src/gallium/drivers/zink/ci/zink-radv-navi10-fails.txt
@@ -452,3 +452,6 @@ spec@ext_packed_depth_stencil@fbo-clear-formats stencil,Fail
 spec@ext_packed_depth_stencil@fbo-clear-formats stencil@GL_DEPTH_STENCIL,Fail
 spec@ext_packed_depth_stencil@fbo-depthstencil-gl_depth24_stencil8-drawpixels-float-and-ushort,Fail
 spec@ext_packed_depth_stencil@fbo-stencil-gl_depth24_stencil8-drawpixels,Fail
+
+# Polygon smoothing isn't supported in Vulkan.
+spec@!opengl 1.0@gl-1.0-polygon-line-aa,Fail
diff --git a/src/gallium/drivers/zink/ci/zink-radv-vangogh-fails.txt b/src/gallium/drivers/zink/ci/zink-radv-vangogh-fails.txt
index 28e926f04cc..7ccbe7c36b5 100644
--- a/src/gallium/drivers/zink/ci/zink-radv-vangogh-fails.txt
+++ b/src/gallium/drivers/zink/ci/zink-radv-vangogh-fails.txt
@@ -456,3 +456,6 @@ spec@ext_packed_depth_stencil@fbo-clear-formats stencil,Fail
 spec@ext_packed_depth_stencil@fbo-clear-formats stencil@GL_DEPTH_STENCIL,Fail
 spec@ext_packed_depth_stencil@fbo-depthstencil-gl_depth24_stencil8-drawpixels-float-and-ushort,Fail
 spec@ext_packed_depth_stencil@fbo-stencil-gl_depth24_stencil8-drawpixels,Fail
+
+# Polygon smoothing isn't supported in Vulkan.
+spec@!opengl 1.0@gl-1.0-polygon-line-aa,Fail